What are you experiences?
I’ve used 2 and 3 monitor setups and have a nice docking station for my laptop to support this.

I really like having a monitor tilted each way (one horizontal, one vertical for reading and scanning long documents and webpages), or if walking on the treadmill, sometimes using 2 laptops to view a presentation/video on one and other work on the other side.

If you don’t have setup for multiple screens, go ahead and buy one 😀 And I’d recommend using MaxTo as it’s very customizable and has great hotkey support.